101603201377 has 2 divisors, whose sum is σ = 101603201378. Its totient is φ = 101603201376.

The previous prime is 101603201281. The next prime is 101603201389. The reversal of 101603201377 is 773102306101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94957038801 + 6646162576 = 308151^2 + 81524^2 .

It is a cyclic number.

It is not a de Polignac number, because 101603201377 - 2³⁵ = 67243463009 is a prime.

It is a super-2 number, since 2×101603201377² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101603201977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50801600688 + 50801600689.

It is an arithmetic number, because the mean of its divisors is an integer number (50801600689).

Almost surely, 2^101603201377 is an apocalyptic number.

It is an amenable number.

101603201377 is a deficient number, since it is larger than the sum of its proper divisors (1).

101603201377 is an equidigital number, since it uses as much as digits as its factorization.

101603201377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

Adding to 101603201377 its reverse (773102306101), we get a palindrome (874705507478).

The spelling of 101603201377 in words is "one hundred one billion, six hundred three million, two hundred one thousand, three hundred seventy-seven".